Contact Input Related Failures - Yanmar 3TNV82A Troubleshooting Manual

Method and Procedure of Failure Diagnosis

Contact Input Related Failures

Related DTC
P1192/4
P1198/1
P1562/4
DTC P1568/1
P1217/0
P1101/0
P1151/0
Work flow
*For details of the work, see after-mentioned "<Work Description>."For the operation of the
diagnosis tool, see "Diagnosis tool Operation Manual" separately.
Initial diagnosis with the diagnosis tool
A. Check the current
failure display
Current failure
exists.
B. Check the detected
value to estimate the
cause of failure.
TNV DI Service Manual
Failure with oil pressure switch
Abnormal Oil Pressure Descend
Failure with Charge Switch
Charge Alarm
Abnormal Water Temperature
Air cleaner Clogging Alarm
Oil-water separator Alarm
DTC in the failure history indication
[Check items] : Contact input terminal ON/OFF status
"Oil pressure SW", "Charge SW"
• Before engine start
"Water temperature SW", "Air cleaner SW", "Air cleaner SW"
• Before engine start
FAILURE DIAGNOSIS
Check the failure
conditions.
>
: ON = Normal
>
: OFF = Disconnected?
>
: OFF = Normal
>
: ON = Short-circuited with GND?
019611-00E
1-187